Submitted by c-admin on Sat, 05/25/2019 - 23:57
Which of the given options should be inserted at line 1 so that the following code can compile without any errors?
package objective1; // 1
public class StaticImports{
public StaticImports(){
out.println(MAX_VALUE);
}
}
(Assume that java.lang.Integer has a static field named MAX_VALUE)
Select 2 options
A. import static java.lang.Integer.*;
B. static import java.lang.System.out;
C. static import Integer.MAX_VALUE;
D. import static java.lang.System.*;
E. static import java.lang.System.*;
Submitted by c-admin on Sat, 05/25/2019 - 23:53
Consider the directory structure shown in Image 1 that displays available folders and classes and the code is given below:
class StockQuote{
Stock stock;
public StockQuote(Stock s) { }
public void store() throws IOException{
return Util.store(stock); }
public double computePrice(){
return Helper.getPricer(stock).price();
} }
Assuming that the code uses valid method calls, what statements MUST be added to the above class?
Select 4 options
A. package com.enthu.rad.*;
B. import com.enthu.*;
C. package com.enthu.rad;
D. import com.*;
E. import java.io.*;
F. It is not required to import java.io.* or import java.io.IOException because java.io package is imported automatically.
Submitted by c-admin on Sat, 05/25/2019 - 23:16
The options below contain the complete contents of a file (the name of the file is not specified).
Which of these options can be run with the following command line once compiled?
java main
Select 1 option
A. //in file main.java
class main {
public void main(String[] args) {
System.out.println("hello");
}
}
B. //in file main.java
public static void main4(String[] args) {
System.out.println("hello");
}
C. //in file main.java
public class anotherone{
}class main {
public static void main(String[] args) {
System.out.println("hello");
}
}
D. //in file main.java
class anothermain{
public static void main(String[] args) {
System.out.println("hello2");
}
}class main {
public final static void main(String[] args) {
System.out.println("hello");
}
}
Submitted by c-admin on Sat, 05/25/2019 - 23:12
What is the correct parameter specification for the standard main method?
Select 2 options
A. void
B. String[ ] args
C. Strings args[ ]
D. String args
E. String args[ ]
Submitted by c-admin on Sat, 05/25/2019 - 23:10
Which of the following are valid declarations:
Select 3 options
A. int a = b = c = 100;
B. int a, b, c; a = b = c = 100;
C. int a, b, c=100;
D. int a=100, b, c;
E. int a= 100 = b = c;
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